CVE-2019-20792
CVE-2019-20792 is a medium-severity vulnerability in Opensc Project Opensc with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Opensc Project Opensc
- Published:
- Last modified:
Description
OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.
Frequently asked questions
- What is CVE-2019-20792?
- OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.
- How severe is CVE-2019-20792?
- CVE-2019-20792 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-20792 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-20792?
- CVE-2019-20792 affects Opensc Project Opensc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-20792?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-20792 published?
- CVE-2019-20792 was published on 2020-04-29 and last updated on 2026-06-17.
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208
- https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4
- https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0
Affected products (1)
- cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
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